(ed.) Copyright © 2009-2013 TerraNature Trust. Williams, M. 1981. Since both sexes of the Grey Duck, as well as the female Shoveler, look similar to the female Mallard, only a ban on all duck-shooting will protect them. Although now thinly scattered throughout the mainland, more prominent populations are found in the Northland, Waikato, Gisborne and Westland regions. Although critically rare it remains a gamebird and can be legally hunted during the annual waterfowl season (May-June). Ian is the Auckland Regional Representative for Birds New Zealand and has always been interested in the beauty and diversity of birds. In doing so you will help us understand what is going on with Grey Ducks in New Zealand. Grey ducks have olive legs and feet. The ducklings leave the nest as soon as the brood is dry, and accompany the female for about 7-9 weeks, but feed themselves from the outset. There are four key species of duck in New Zealand: Mallard, Grey, Shoveller and Paradise: Mallard Duck: The mallard is the most common duck in New Zealand and the Northern Hemisphere. Pure grey ducks are now considered rare but no credible population estimates have been made. 5. During the breeding season they are dispersed on ill-defined territories where the male’s defence is more concentrated on female protection and guarding rather than of space. Above: Grey duck Anas superciliosa superciliosa
In addition to hybridisation with New Zealand grey duck, mallard interbreeding is polluting the genes of its descendent relatives, the American black duck, Hawaiian duck, Meller's duck, Florida duck, Mexican duck and yellow-billed duck which are endemic to their local regions. Eventually, hybrids ranging between species will reverse the speciation that has previously occurred over a very long period. 2005. The grey duck’s speculum feathers (on the outside of its wing) are green – a mallard’s are blue. The mallard was first introduced into New Zealand from Europe in the 1860s but failed to acclimatise. The male takes off after 5 days to mate again. The best opportunity to view grey duck is in forested headwater catchments and away from human settlements (where mallards and hybrids occur), in Northland, West Coast (South Island) and Fiordland. The species Anas superciliosa, also known as Pacific black duck, is listed as 'least concern' on the 2009 IUCN Red List of Threatened Species. 24 flavours, including dairy free and gluten free options, are available every day of the week. Grey Duck (Anas superciliosa) (Parera) Sexes are alike but both look similar to female mallards and have similar call. After eggs were imported in 1930 from California, the population multiplied so quickly that mallards are now regarded as an invasive species. (ed.). Competition and hybridisation has pushed the Grey Duck to a critical conservation status, with very few pure Grey Ducks in existence. We also stock a range of ice cream sandwiches and take home pints. Voice: females give a typical decrescendo call of about 6 loud quacks in a row, soft quacks in communication with ducklings, and a rapid “gag gag gag” repulsion call in courting displays and when pursued by males. Scroll. All covers are made of high quality 12oz canvas and tailored specifically to each seat in each type of vehicle. In Miskelly, C.M. Are you of legal drinking age? Pacific Black Duck 3305.jpg: Pacific Black Duck 5677: Pacific Black Duck 5680.jpg: Pacific Black Duck 6473.jpg: Pacific Black Duck 6476.jpg: Pacific Black Duck 6482.jpg The New Zealand grey duck population is believed to be extensively hybridised with introduced mallards to such an extent that few pure grey ducks may now exist, hence its “critical” conservation status. Vol 2.OxfordUniversity Press,Oxford,UK. Males and females are alike in appearance, and similar to plumage of the female mallard. While the rapid decline of grey duck has been caused by the loss of wetlands, and hunting, another principle cause is interbreeding with the very large population of introduced mallard Anas platyrhynchos. Numbers of grey ducks are decreasing due to continued interbreeding with the introduced mallard. Photo: R. Sutton, Crown Copyright © Department of Conservation. The population declined drastically due to overhunting in the mid-20th century (Williams & Basse 2006). View slideshow of larger duck images. No. Chaffinch They were introduced into New Zealand in the 1860's, originally in Nelson but later throughout NZ. It is usually called the grey duck in New Zealand, where it is also known by its Maori name, pārera Grey Duck: Mallard Hen 1. The Grey Duck is similar to a female mallard ducks in appearance, and most birds now show signs of hybridisation with mallards. The New Zealand grey duck population is believed to be extensively hybridised with introduced mallards to such an extent that few pure grey ducks may now exist, hence its “critical” conservation status. Mallards have orange legs and feet. If you’re singing “All by Myseeeeelf” into a hairbrush on Saturday night, you’ll need a pint or two of Duck Island ice cream to go with. Williams, M.J. 2013. According to the Wildlife Act 1953, grey duck and any cross of the species are "wildlife declared to be game". The critically threatened grey duck Anas superciliosa superciliosa, also known as parera, is an endemic dabbling duck, the New Zealand subspecies of Pacific black duck.It belongs to the Anatidae family of swans, geese and ducks, which is part of the Anseriformes order. The clutch of 8-10 whitish to pale green eggs is incubated for 26-29 days. latest news & events |
Remote lakes and headwater rivers with forested or scrub fringes are preferred. The plumage of New Zealand mallards is highly variable due to hybridisation with grey ducks, and also many domesticated mallard varieties that have escaped into the wild population. The grey duck, New Zealand's endemic subspecies of Pacific black duck, is critically endangered but still hunted. Birds Of New Zealand. Using the key below if your duck scores more than 7 it … There might be a two-step extinction underway in New Zealand. Female with brood (pied stilt in background), Pair giving alarm calls then taking flight with prominent wing noise. Duck hunting guides provide private hunts for New Zealand waterfowl, including the beautiful Paradise Duck, endemic to New Zealand, plus New Zealand Grey, Mallard and Spoonbill ducks. The Chatham Islands are a stronghold for the New Zealand subspecies, as there appears to be a lower level of hybridisation with mallard ducks. 3. home | sponsors |
Hybrid grey x mallard ducks are confusingly variable in most characteristics and otherwise “good” grey ducks need to be examined closely for any indication of anterior speculum stripe (alar bar) on wing (white or fawn, narrow or wide…if it is visible it is probably of hybrid ancestry), hints of orange on legs, and “dirty” cream face with indistinct edges to the facial stripes. Grey duck have a white underwing and an iridescent turquoise green speculum on their wing (lower right), whereas the mallard speculum is blue or purple. Males give soft “raeb raeb” call of variable length. We are adding more New Zealand Birds to this list with every newsletter.
Unusually for ducks, the female paradise shelduck is more eye-catching than the male; females have a pure white head and chestnut-coloured body, while males have a dark grey body and black head. While this presumption is based entirely on phenotype, as definitive genetic studies have yet to be undertaken, the diversity of soft part and plumage characteristics of most grey duck-like New Zealand birds compared to those in Australia lends support to this belief. http://en.wikipedia.org/wiki/Pacific_Black_Duck. The bird gallery links to in-depth descriptions of most New Zealand birds. The three dark stripes alternate with cream coloured stripes either side of the dark eye stripe. 4. Below: The green wing speculum of grey duck. The male is grey and brown with a glossy green head, whereas the female has brown speckled plumage and looks very similar to New Zealand's endemic Grey Duck, but with orange coloured feet. Image © Neil Fitzgerald by Neil Fitzgerald www.neilfitzgeraldphoto.co.nz. Adult has yellow eyes, breast spotted reddish chestnut. Hybridisation and loss of habitat have led to a decline in grey duck populations. The grey duck's legs and feet are greenish brown, but the legs of hybrids tend to be orange-brown, taking on the color of the mallard's legs. Title: Grey Duck x Mallard hybridisation in New Zealand Author: Department of Conservation Created Date: 3/3/2010 10:28:44 AM A grey duck's diet is typical of a dabbling duck - mostly aquatic snails and invertebrate insects, leaves and seeds of aquatic plants, and caterpillars and worms on pasture. join - donate | contact information
Animal foods, which make up about 10% of the diet, include a wide range of insect larvae and adults, freshwater snails and worms. Handbook of Australian, New Zealand and Antarctic birds. They lay mainly during August to October. Photo Crown Copyright © Department of Conservation. New Zealand is home to a wide variety of water fowl. Black Duck are New Zealand’s largest supplier of canvas waterproof seat covers. White-flippered, The remarkable return of five extinct species, Home > New Zealand ecology > Native ducks > Grey duck. The native Grey Duck is classified as “critically endangered”. Four to nine eggs are laid, one each day, and packed in down while the female returns to the feeding area once or twice a day during the 26-28 day incubation period. The 1999-2004 Ornithological Society of New Zealand atlas scheme showing grey ducks to still be widespread is erroneous and clearly confused grey duck with hybrids and mallards. Roderick, Crown Copyright © Department of Conservation. The similar appearance of female mallard with both sexes of grey duck makes identification difficult in reducing the mallard population, and interbreeding. Grey duck were once the main quarry of hunters, comprising 95 percent of the country's dabbling duck population. A most attractive duck which sports the basic Mallard colour pattern but with a marked silvery-grey colouring to the male’s back, while the female is an over-all silver-brown. A grey duck and mallard duck hybrid. Vodka Seltzer Recipes TC Summer Jam About Locations Apparel Cart 0. Grey duck have become one of New Zealand’s most threatened bird species due to extensive hybridisation with the superabundant introduced mallard. Mallards achieved numerical ascendency over grey duck throughout most of New Zealand by the late 1970s, merely 20 years Grey Duck (No reviews yet) Write a Review Write a Review. Grey ducks disperse widely, but mostly occur in “wild” rather than pastoral landscapes. The 1999-2004 Ornithological Society of New Zealand atlas scheme showing grey ducks to still be widespread is erroneous and clearly confused grey duck with hybrids and mallards. All rights reserved. A distinguishing feature is a pattern of stripes extending from the bill back onto the head, with a thick dark patch over the top of the head, a thinner brown stripe through the eye, and another fainter line below from the beak opening. Waterfowl, Grebes & Gamebirds. The Pacific black duck (Anas superciliosa), commonly known as the PBD, is a dabbling duck found in much of Indonesia, New Guinea, Australia, New Zealand, and many islands in the southwestern Pacific, reaching to the Caroline Islands in the north and French Polynesia in the east. ; Higgins, P. (eds) 1990. Protected native ducks include the other four Anas species which are all teal, New Zealand scaup, Aythya novaeseelandiae, and blue duck Hymenolaimus malachorhynchos. The Parera grey duck is a good looking native that is being out competed by the aggressive introduced mallard. Until about 1960, grey ducks made up 95 per cent of New Zealand's dabbling duck population, but is now only 500,000 compared to the 5 million mallards. Photo C.D. 53 cm; Male 900 g, Female 750 g. Blue-grey duck with a pale pink bill, tipped with black flaps. During the period from September to December they nest on the ground in dense grass cover or in a tree hollow, sometimes as far as 2 km from the feeding territory. Sunday – Wednesday 11am – 10pm; Thursday – Saturday 11am – 10pm; Our flagship parlour is situated on the corner of Cook and Grey streets. Check out the many beautiful walks, parks and cycle trails in the Grey District. Williams, M.; Basse, B. It is the ancestor of all domestic ducks belonging to the subfamily Anatinae, with the exception of a few species derived from the Muscovy duck Cairinia moschata. Today they are quite common and widespread throughout both islands. Once commonly found in wetlands and streams, and sometimes in estuaries until the 1950s, grey duck were the main quarry of hunters, comprising 95% of the country's dabbling duck population. The Black Swan can be another option if you are a trophy bird collector. Many of our native ducks became extinct even before Europeans arrived in New Zealand. mallard also on dry land), consuming mostly plant material, including seeds and soft tips of most aquatic plant species. Lake Taupo, Waikato, April 2009. Native grey ducks are going extinct due to interbreeding between these species. Cart 0. Mounted on Ancient Swamp Kauri wood base. volunteer activities | about us |
Pure strains are most likely to be found in Northland, Waikato and Gisborne, and on the West Coast. In the Hawkes Bay Game Region, Fish & Game New Zealand have a mallard/grey daily bag limit of 6, comprising no more than 2 hen mallards and 3 grey duck for the season 2 May to 14 June 2009. A large darkish brown duck with a grey bill, khaki legs, dark brown eyes, and pale buff-edged body feathers. Ducks, geese and swans. Grey ducks were still the most common dabbling duck in New Zealand up to the 1950s, but as introduced mallards became established the two species have interbred. Marchant, S.J. They have suffered severely from loss of habitat, and competition with the introduced mallard duck Anas platyrhynchos. Grey ducks are nowadays typically associated with undisturbed waters rather than those in close proximity to human activity. Grey ducks can breed in their first year. Yes. Numbers of grey ducks dropped from 1.5 million in 1970 to fewer than 500,000 in the 1990s. This species was possibly the result of hybridisation speciation between Anas superciliosa and mallard Anas platyrhynchos which migrated to the Marianas. View slideshow of larger images. Beach, bush & birds, this Auckland day tour is a nature lovers dream, beachcombers paradise and photographers ideal playground New Zealand bird Tui Grey Duck Photo Gallery Home Handbook of Australian, New Zealand and Antarctic birds, Volume 1, Part B. Oxford University Press, Melbourne, Australia.
Mallard plumage is predominant in most mallard/grey duck hybrids, suggesting that male mallards mate with grey duck females, as opposed to the other way around, however, the level of contribution to the hybrid's ancestry cannot be ascertained from plumage. Sexes similar. Finally got around to mounting my NZ Grey Duck that I got in 2012. As a result of rapid decline, the grey duck Anas superciliosa superciliosa was elevated to 'nationally critical' from 'nationally endangered' on the 2008 New Zealand Threat Classification System. Similar species: grey ducks are easily confused with female mallard from which they can be distinguished by: mallards have bright orange legs and feet, orange-and-brown bills, more diffuse eye and bill stripes and mottled face, and a blue speculum edged with white both at front and back. Grey duck. 2006. 2. And then again in 1953 - Also from Ed Coates. Above: Grey duck Anas superciliosa superciliosa
Wetland Press,Wellington. Reduction of the male mallard population would directly reduce cross-breeding, and is the surest way of reducing mallards. The upper wing is brown, with the speculum (on the trailing edge of the inner wing) an iridescent green with a trailing narrow white band (and no anterior band). Kear, J. Very few pure-bred grey duck remain. Grey Duck. Parera, grey duck, Anas superciliosa, found in New Zealand Birds' bird gallery section, includes general information about the bird, taxonomy, description, where to find them and other useful and interesting information. Adult. It joins South Island brown teal and Campbell Island teal as the three most critically endangered New Zealand ducks, and is now in the category of such iconic brink of extinction birds as black robin, kakapo and takahe. Yellow-eyed
Water fowl is the common name for the Anatidae, the family of birds that includes ducks, geese and swans. Abstract Change in the relative abundance of grey duck (Anas superciliosa) and mallard (A. platyrhynchos) in New Zea-land, from 1950 to the present day, is summarised from trapping records, hunters’ kills, and field studies. Grey ducks were formerly found throughout all of New Zealand, including on all vegetated subantarctic islands, Chatham Islands and Kermadec Islands. Nests are situated on the ground under cover or in tree forks or epiphytes, the bowl being accumulated debris at the site lined with plucked breast feathers and down. The bill is leaden grey with a black nail, legs khaki, and the eye dark brown. It belongs to the Anatidae family of swans, geese and ducks, which is part of the Anseriformes order. www.nzbirdsonline.org.nz. The duckshooter’s bag. The female mallard in flight may actually be a grey duck. environmental issues | New Zealand ecology. 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